Answer:
27 and 597
Step-by-step explanation:
To evaluate A5 and A100, substitute n = 5, n = 100 into An , that is
A5 = 6(5) - 3 = 30 - 3 = 27
A100 = 6(100) - 3 = 600 - 3 = 597
A = 1/2*b*h
6.22 = 1/2*3.11*h
6.22 = 3.11/2*h
6.22*2 = 3.11*h
12.44 = 3.11*h
12.44/3.11 = h
4 = h
so height is 4 meters
<span>Maria purchased 24 m and 25 cm rope and Nancy purchased 17 m and 15 cm rope. What is the total length of ropes both of them purchased?</span>